Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging arsenal ...

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

Developing nuclear fusion and modernizing the US nuclear arsenal will require substantial collaboration with the private ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

ABOARD AIR FORCE ONE (AP) — President Donald Trump declined to say Friday whether he plans to resume underground nuclear detonation tests, as he had seemed to suggest in a social media post this week ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

BUSAN, South Korea(AP) — President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, saying it would be on an “equal basis” with Russia ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...